51626441 has 2 divisors, whose sum is σ = 51626442. Its totient is φ = 51626440.

The previous prime is 51626437. The next prime is 51626459. The reversal of 51626441 is 14462615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 3254416 = 6955^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 51626441 - 2² = 51626437 is a prime.

It is not a weakly prime, because it can be changed into another prime (51626431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25813220 + 25813221.

It is an arithmetic number, because the mean of its divisors is an integer number (25813221).

Almost surely, 2^51626441 is an apocalyptic number.

It is an amenable number.

51626441 is a deficient number, since it is larger than the sum of its proper divisors (1).

51626441 is an equidigital number, since it uses as much as digits as its factorization.

51626441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 51626441 is about 7185.1542085052. The cubic root of 51626441 is about 372.3551763487.

The spelling of 51626441 in words is "fifty-one million, six hundred twenty-six thousand, four hundred forty-one".